In the Burnet v. Clark case of 1932, the U.S Supreme Court ruled on a matter concerning federal income tax law. The respondent, Clark, had acquired stock in two corporations and later sold them at a profit. However, he did not include these profits in his gross income for taxation purposes because he believed they were capital gains rather than ordinary income under applicable tax laws at that time. The Commissioner of Internal Revenue disagreed with this interpretation and assessed additional taxes against him accordingly. Clark challenged this decision through legal means which eventually led to the Supreme Court hearing his case. In its ruling, the court sided with Burnet (the Commissioner), stating that since there was no specific provision within existing legislation allowing such an exclusion from gross income for capital gains derived from corporate stocks sales like those conducted by Clark; therefore it should be considered taxable as ordinary income. The court's decision essentially clarified how certain types of financial transactions are classified under federal tax law - specifically regarding whether or not they can be excluded from one's gross taxable income based on their nature as either regular earnings or capital gains.

In the dissenting opinion for Burnet, Commissioner of Internal Revenue v. Clark (1932), Justice Stone argued that the majority's decision was inconsistent with previous rulings and principles of tax law. He contended that a taxpayer should not be allowed to claim a loss deduction on stock sold from his own corporation if he still maintains control over it after the sale. According to him, this would allow taxpayers to manipulate their tax liabilities by timing sales and repurchases of stocks in their own corporations strategically. Furthermore, he believed that allowing such deductions could lead to potential abuses where taxpayers create artificial losses for tax purposes while retaining economic control over their assets. Thus, Justice Stone disagreed with the majority's interpretation of "loss" under Section 206(a) of the Revenue Act as including situations where there is no real economic loss because ownership remains essentially unchanged.